#VU66549 Security restrictions bypass in Intel products - CVE-2022-26373

Vulnerability identifier: #VU66549

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-26373

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Intel Xeon E Processors
Intel Xeon D Processors
Intel Xeon W Processors
Intel Core X-series Processors
2nd Generation Intel Xeon Scalable Processors
3rd Generation Intel Xeon Scalable Processors
10th Generation Intel Core Processors
Intel Core Processors with Intel Hybrid Technology
11th Generation Intel Core Processors
Intel Xeon Processors
8th Generation Intel Core Processors
Intel Pentium Gold Processor Series
Intel Celeron Processor 5000 Series
12th Generation Intel Core Processors
Intel Celeron Processors
9th Generation Intel Core Processors

Software vendor:
Intel

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of return predictor targets between contexts in Intel CPU processors. A local user can bypass the expected architecture isolation between contexts and gain access to sensitive information on the system.

Install updates from vendor's website.

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00706.html